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copper electrorecovering method, copper electrorecovering process of a copper and ferrous iron containing electrolyte stream, and copper electrorecovering system of a copper containing electrolyte
copper electrorecovering method, copper electrorecovering process of a copper and ferrous iron containing electrolyte stream, and copper electrorecovering system of a copper containing electrolyte
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机译:铜电回收方法,含铜和二价铁的电解液流的铜电回收方法以及含铜的电解液的铜电回收系统
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摘要
The present invention relates, generally, to a method and apparatus for electrowinning metals, and more particularly to a method and apparatus for copper electrowinning using the ferrous/ferric anode reaction. In general, the use of a flow-through anodecoupled with an effective electrolyte circulation systemenables the efficient and cost-effective operation of a copper electrowinning system employing the ferrous/ferric anode reaction at a total cell voltage of less than about 1.5 V and at current densities of greater than about 26 Amps per square foot (about 280 A/m2), and reduces acid mist generation. Furthermore, the use of such a system permits the use of low ferrous iron concentrations and optimized electrolyte flow rates as compared to prior art systems while producing high quality, commercially saleable product (i.e., LME Grade A copper cathode or equivalent), which is advantageous.
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机译:本发明总的来说涉及一种用于金属电沉积的方法和设备,更具体地说,涉及一种使用亚铁/铁阳极反应进行铜进行电沉积的方法和设备。通常,将流通式阳极与有效的电解质循环系统结合使用,可在总电池电压小于约1.5 V且电流小于50 V的情况下,利用亚铁/铁阳极反应,对铜电解沉积系统进行高效且具有成本效益的操作。密度大于每平方英尺约26安培(约280 A / m2),并减少了酸雾的产生。此外,与现有技术的系统相比,这种系统的使用允许使用低的亚铁浓度和优化的电解液流速,同时生产高质量的可商业销售的产品(即,LME A级铜阴极或等效品),这是有利的。
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